7668916 has 12 divisors (see below), whose sum is σ = 13783588. Its totient is φ = 3730752.

The previous prime is 7668911. The next prime is 7668919. The reversal of 7668916 is 6198667.

It can be written as a sum of positive squares in 2 ways, for example, as 5044516 + 2624400 = 2246^2 + 1620^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7668911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25761 + ... + 26056.

Almost surely, 2^7668916 is an apocalyptic number.

It is an amenable number.

7668916 is a deficient number, since it is larger than the sum of its proper divisors (6114672).

7668916 is a wasteful number, since it uses less digits than its factorization.

7668916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51858 (or 51856 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 7668916 is about 2769.2807730528. The cubic root of 7668916 is about 197.2020053366.

The spelling of 7668916 in words is "seven million, six hundred sixty-eight thousand, nine hundred sixteen".